Safety device for tanks



20 the-invention further includes the following that when some act exercised, by an act of Patented July 24,1928. f y 1,678,600y

STATELS FATENT OFFICE.

HENRY T. SCOTT AND LUGIEN EARL BONE, F WICHITA FALLS, TEXAS.

SAFETY DEVGE FOR TANKS.

.application led October 31, 192,5. Serial No. 66,112.

rlhis invention relates to improvements in disposed position by a brace bar 16. is a Safety devices `for use within oil tanks and .swinging boom 17 having a counter-balanccontemplates the provision of shutoff means ingweight 1 8 included upon one end and a therein which will completely discharge the chain or similar connecting device, as indi- 5 contents of the tank when the same becomes cated at 19, secured to its opposite end and 55 inflamed, y the upper side of the flap valve 13. A frus- Another object of my invention is the protro-conical shaped bell 20 supported by an vision of a check valve arranged within they inflammable supporting cord or rope, as inbottom ot a tank and communicating with dicated at 21, upon the under side of the tank the operating means which when released by JCOP. SUSDGHS it Chain 22 v,IOIH itS under side 60' the burning ot the supporting means therehaving connection with one end of the swingiore, will automatically openthe check valve ing boom 17 adjacent the counter-balancing and allow the contents of the tank thus in- ,weight 18. flamed to pass outwardly through the pipe In the mode of operation of the present from the said tank into a reservoir and thus invention it is clearly apparent and manifest choking the iniiamed contents whereby a mathat when the safety device is thus normally terial saving of the oil is thus obtained from.4 arranged in the position, as clearly illusthe use of the above entitled invention. tiated in'guie 1 ot the drawing, in holding lVith the above and other objects in view, the flap valve 13 in a closed position and 0 novel features and details of construction, to God or public enemy, iniames the contents be hereinafter more Jully described, illusof the tank 10, it will be noted that the flames ,mated in the accompanying dmwings and upon the'top of the substance thus contained, pointed out in the appended claim. suchas oil in this instance, will burn the sup- .In the drawing porting cord or rope 21 andthe bell 20 will Figure 1- is a sectional view or a tank showbe Caused .to iioat upon the surface of the ing my present invention applied thereto. Substance in the tank 10 and in so doing re- Figui'e 2 is a fragmentary elevation of lease the swinging booin17 in order that the the tank showing my invention in operation latter will swing to the position, as clearly in allowing the contents of the tank to be disillustrated in Figure 2 or the drawing, to 90 chargedV therefrom. Open the flap valve 13 whereby the said con- Referring tothe drawing vin detail, wheretents will pass outwardly through the dis- .in like characters ol reference denote corre- Charge pipe 11 and thus choke the Haines oi sponding parts, the reference character 10 kthe burning substance or contents of thc-tank indicates a tank and 11' ar dischargek pipe 10 when being discharged within a reservoir, 85

therefore which tank and discharge pipe are not shown. of the usual and well known construction The invention is susceptible of various and form no part of the presentapplication changes in its form, proportions and minor for letters patent, but are merely shown for details of construction, and the right is herepurposes ot illustration in bringing forward inreserved to make such changes as prop- 90 the novel advantagesof the above entitled verly fall within the scope of the appended invention. claim. i V

i Theinvention resides in the provision of a Having described our invention what is valve body 12 carried upon the bottom of claimed is f y the tank 10 and communicating therewith A safety device for tanks comprising a 95 and the. discharge pipe 11 and having invalve body and discharge pipe therefor, a

eluded therein a pivoted flap valve 13, the supporting arin and brace barV carried withpurpose oi which will be presently apparent. in the bottom of the tank, a lever eccentri- Fulcrumed as 14 upon the upper free end cally fulcrumed upon the supporting bar and 5o of a supporting bar 15 held in a Vvertically having one end disposed directly above the 10 discharge pipe, a Weight carried upon the tween the bell and the weighted end of the opposed end of the lever, a flap Valve carlever. ried Within the Valve body and having eon- In testimony whereof We aiiix our Signa- 10 nection With the lever, a fusible element eartures. 'S Tied Within the top of the tank, a conical shaped bell suspended from the fusible ele- HENRY T. SCOTT.

ment, and a chain establishing connection be- LUCIEN EARL BONE. 

